Finding the Fourth Proportional to 1,089,387.91, 1,634,173.33 and 331,235.96
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Solution
The fourth proportional to 1,089,387.91, 1,634,173.33 and 331,235.96 is: 496,881.75
Step by Step Solution
- Step 1: Write the proportion equation
1,089,387.91 : 1,634,173.33 = 331,235.96 : x - Step 2: Convert to fraction form
1,089,387.91/1,634,173.33 = 331,235.96/x - Step 3: Cross multiply
1,089,387.91x = 1,634,173.33 × 331,235.96 - Step 4: Simplify right side
1,089,387.91x = 541,296,971,768.95 - Step 5: Solve for x
x = 541,296,971,768.95/1,089,387.91 - Step 6: Final answer
x = 496,881.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.